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A Hindu devotee prays after a holy dip at 'Sangam', the confluence of Hindu holy rivers Ganges, Yamuna and the mythical Saraswati, during the Maha Kumbh festival at Allahabad, India, Sunday, Feb. 10, 2013. Led by heads of monasteries arriving on chariots and ash-smeared naked ascetics, millions of devout Hindus plunged into the frigid waters of the holy Ganges River in India on Sunday in a ritual that they believe will wash away their sins. Sunday was the third of six auspicious bathing days during the Kumbh Mela, or Pitcher Festival, which lasts 55 days and is one of the world's largest religious gatherings. (AP Photo /Rajesh Kumar Singh)

A Hindu devotee prays after a holy dip at 'Sangam', the confluence of Hindu holy rivers Ganges, Yamuna and the mythical Saraswati, during the Maha Kumbh festival at Allahabad, India, Sunday, Feb. 10, 2013. Led by heads of monasteries arriving on chariots and ash-smeared naked ascetics, millions of devout Hindus plunged into the frigid waters of the holy Ganges River in India on Sunday in a ritual that they believe will wash away their sins. Sunday was the third of six auspicious bathing days during the Kumbh Mela, or Pitcher Festival, which lasts 55 days and is one of the world's largest religious gatherings. (AP Photo /Rajesh Kumar Singh)

India's Kumbh Mela festival

January 14, 2013

An estimated 30 million devotees were expected to take a dip at the

Sangam, the confluence of three rivers — the Ganges, the Yamuna and the

mythical Saraswati — one of the holiest bathing days of the Kumbh Mela, or Pitcher Festival. The festival lasts 55 days and is one of the world's largest religious gatherings.